Add non-atomic exchange version

Author: forthy42

arch/arm/android/genlibs.sh

@@ -158,7 +158,7 @@ function gen_opus {
 
 function gen_fthb {
     (cd $FREETYPE
-     ./configure --host=$TARGET --prefix=$TOOLCHAIN/sysroot/usr/ --includedir=$TOOLCHAIN/sysroot/usr/include/harfbuzz --with-png=yes --with-bzip2=no --with-zlib=no --with-harfbuzz=yes
+     ./configure --host=$TARGET --prefix=$TOOLCHAIN/sysroot/usr/ --includedir=$TOOLCHAIN/sysroot/usr/include/harfbuzz --with-png=yes --with-bzip2=yes --with-zlib=no --with-harfbuzz=yes
      make clean
      make -j$nprocs
      make install)

freetype-gl/texture-font.c

@@ -254,7 +254,7 @@ texture_font_generate_kerning( texture_font_t *self,
 
 int
 texture_is_color_font( texture_font_t *self) {
-    return FT_HAS_COLOR(self->face);
+    FT_HAS_COLOR(self->face);
 }
 
 // -------------------------------------------------- texture_font_set_size ---

minos2/font-style.fs

@@ -611,7 +611,7 @@ font-lang to emoji-font#
 2 font-lang >breakable
 \sans \regular
 \ color-fonts= NotoColorEmoji-SVG|EmojiOneColor-SVGinOT|TwitterColorEmoji-SVGinOT
-color-fonts= NotoColorEmojiLegacy|NotoColorEmoji-Regular|NotoColorEmoji|emojione-android|Twemoji|SamsungColorEmoji|OpenMoji-Color
+color-fonts= NotoColorEmojiLegacy|NotoColorEmoji-PNG|NotoColorEmoji-Regular|NotoColorEmoji|emojione-android|Twemoji|SamsungColorEmoji|OpenMoji-Color
 fonts[ssm]=same
 {{ $20000 $1F000 }} 2/ +ranges
 [THEN]

prim

@@ -3459,6 +3459,11 @@ __atomic_thread_fence(__ATOMIC_RELEASE);
 __sync_synchronize();
 #endif
 
+!~@ ( u1 a_addr -- u2 )	gforth-experimental store_nonatomic_fetch
+""load @var{u2} from @var{a_addr}, and store @var{u1} there, as non-atomic operation""
+u2 = *a_addr;
+*a_addr = u1;
+
 \g peephole
 
 \+peephole